This certainly isn't the first on-screen Friends reunion. Perry and Lisa Kudrow appeared on an episode of Jane Lynch's summer comedy game show, Celebrity Game Night, and Jennifer Anistonand Kurdrow also guest starred on Cougar Town in 2010.

Cox, 49, and Perry, 44, played on-screen spouses Monica Gellar and Chandler Bing on the 10-season hit sitcom. No details have been released about Perry's character or when his episode will air, but the show's fifth season premieres on Tuesday, Jan. 7 at 10 p.m.

Perry most recently played heartbroken radio personality Ryan King on NBC's Go On for 22 episodes before the show was cancelled after its first season. He also had a small arc as Mike Kresteva on The Good Wife from 2012 to 2013.